Driving Device and Driving Device Control Method thereof

1. A driving device, comprising: a driving module, for generating a plurality of driving signals according to a plurality of next channel data and adjusting coupling relationships of the plurality of driving signals according to a charge sharing control signal; and a timing control module, for generating the plurality of next channel data and selecting one of a plurality of charge sharing control commands as the charge sharing control signal, delaying the plurality of next channel data at least one line period to acquire a plurality of current channel data, and sequentially comparing the plurality of next channel data and the plurality of current channel data for determining whether the plurality of next channel data and the plurality of current channel data satisfy one of a plurality of charge sharing conditions, to select one of the plurality of charge sharing control commands as the charge sharing control signal.

2. The driving device of claim 1 , wherein when a first next channel data of the plurality of next channel data is greater than a first threshold and a first current channel data corresponding to the first next data in the plurality of current channel data is smaller than a second threshold or the first next channel data is smaller than the second threshold and the first current channel data is greater than the first threshold in a first line period, the timing control module determines a first charge sharing condition of the plurality charge sharing conditions is satisfied and selects a first charge sharing control command of the plurality of charge sharing control commands as the charge sharing control signal; and the plurality of driving units couple the plurality of driving signals before the first line period ends according to the first charge sharing control command.

3. The driving device of claim 1 , wherein when a first average of the plurality of next channel data is greater than a first threshold and a second average of the plurality of current channel data is smaller than a second threshold, or the first average is smaller than the second threshold and the second average is greater than the first threshold in a first line period, the timing control module determines a first charge sharing condition of the plurality charge sharing conditions is satisfied and selects a first charge sharing control command of the plurality of charge sharing control commands as the charge sharing control signal; and the plurality of driving units couple the plurality of driving signals before the first line period ends according to the first charge sharing control command.

4. The driving device of claim 1 , wherein the timing control module divides the plurality of next channel data into a plurality of next channel data groups and divides the plurality of current channel data into a plurality of current channel data groups according to the sequence of the plurality driving signals; the timing control module calculates a first sum of difference between each next channel data of a first next channel data groups in the plurality of next channel data groups and the corresponded current channel data of a first current channel data group in the plurality of current channel groups and a second sum of difference between averages of the first next channel data group and the first current channel data group in a first line period; the timing control module determines a second charge sharing condition of the plurality charge sharing conditions is satisfied and selects a second charge sharing control command of the plurality of charge sharing control commands as the charge sharing control signal; and the plurality of driving units couple the driving signals corresponding to the first next channel data group and having the same polarity before the first line period ends according to the second charge sharing control command.

5. The driving device of claim 1 , wherein the timing control module selects one of the bias control commands as the bias control signal according to differences between each of the plurality of next channel data and the corresponded current channel data, and the plurality of the driving units adjust static currents of generating the plurality of driving signals according to the bias control signal.

6. The driving device of claim 5 , wherein the plurality of driving units adjust at least one of a maximum of the static currents, a minimum of the static currents and a duty cycle of the static currents maintaining at the maximum according to the bias control signal.

7. The driving device of claim 1 , wherein the timing control module comprises: a delay unit, for delaying the plurality of next channel data at least one line period as the plurality of current channel data; a converting unit coupled to the delay unit, for converting the plurality of next channel data and the plurality of current channel data to gamma voltages; an arithmetic unit coupled to the converting unit, for performing arithmetic logic operations on the plurality of next channel data and the plurality of current channel data; a statistic unit coupled to the arithmetic unit, for gathering statistics according to the data outputted by the arithmetic unit; and a determining unit coupled to the statistic unit, for selecting one of the plurality of charge sharing control command as the charge sharing control signal according to the statistics.

8. A driving device control method, comprising: generating a plurality of driving signals according to a plurality of next channel data; selecting one of a plurality of charge sharing control commands as a charge sharing control signal; and adjusting coupling relationships of the plurality of driving signals according to the charge sharing control signal; wherein the step of selecting one of the plurality of charge sharing control commands as the charge sharing control signal comprises: delaying the plurality of next channel data at least one line period as a plurality of current channel data; and comparing the plurality of next channel data and the plurality of current channel data, sequentially, for determining whether the plurality of next channel data and the plurality of current channel data satisfy one of a plurality of charge sharing conditions, to select one of the plurality of charge sharing control commands as the charge sharing control signal.

9. The driving device control method of claim 8 , wherein the step of comparing the plurality of next channel data and the plurality of current channel data, sequentially, for determining whether the plurality of next channel data and the plurality of current channel data satisfy one of the plurality of charge sharing conditions, to select one of the plurality of charge sharing control commands as the charge sharing control signal comprises: determining a first charge sharing condition of the plurality charge sharing conditions is satisfied and selecting a first charge sharing control command of the plurality of charge sharing control commands as the charge sharing control signal when a first next channel data of the plurality of next channel data is greater than a first threshold and a first current channel data corresponding to the first next channel data in the plurality of current channel data is smaller than a second threshold or the first next channel data is smaller than the second threshold and the first current channel data is greater than the first threshold in a first line period; and coupling the plurality of driving signals before the first line period ends according to the first charge sharing control command.

10. The driving device control method of claim 8 , wherein the step of comparing the plurality of next channel data and the plurality of current channel data, sequentially, for determining whether the plurality of next channel data and the plurality of current channel data satisfy one of the plurality of charge sharing conditions, to select one of the plurality of charge sharing control commands as the charge sharing control signal comprises: determining a first charge sharing condition of the plurality charge sharing conditions is satisfied and selecting a first charge sharing control command of the plurality of charge sharing control commands as the charge sharing control signal when a first average of the plurality of next channel data is greater than a first threshold and a second average of the plurality of current channel data is smaller than a second threshold, or the first average is smaller than the second threshold and the second average is greater than the first threshold in a first line period; and coupling the plurality of driving signals before the first line period ends according to the first charge sharing control command.

11. The driving device control method of claim 8 , wherein the step of comparing the plurality of next channel data and the plurality of current channel data, sequentially, for determining whether the plurality of next channel data and the plurality of current channel data satisfy one of the plurality of charge sharing conditions, to select one of the plurality of charge sharing control commands as the charge sharing control signal comprises: dividing the plurality of next channel data into a plurality of next channel data groups and dividing the plurality of current channel data into a plurality of current channel data groups according to the sequence of the plurality driving signals; calculating a first sum of difference between each next channel data in a first next channel data groups of the plurality of next channel data groups and the corresponded current channel data in a first current channel data group of the plurality of current channel groups in a first line period; calculating a second sum of difference between averages of the first next channel data group and the first current channel data group in the first line period; determining a second charge sharing condition of the plurality charge sharing conditions is satisfied and selecting a second charge sharing control command of the plurality of charge sharing control commands as the charge sharing control signal; and coupling the driving signals corresponding to the first next channel data group and having the same polarity before the first line period ends according to the second charge sharing control command.

12. The driving device control method of claim 8 , further comprising: selecting one of the bias control commands as the bias control signal according to differences between each of the plurality of next channel data and the corresponded current channel data; and adjusting static currents of generating the plurality of driving signals according to the bias control signal.

13. The driving device control method of claim 12 , wherein the step of adjusting the static currents of generating the plurality of driving signals according to the bias control signal comprises: adjusting at least one of a maximum of the static currents, a minimum of the static currents and a duty cycle of the static currents maintaining at the maximum according to the bias control signal.